Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PLR callsign genealogy
Currently held by Black, Gregory D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N4PLR's current licensee, walking backwards.
- Yarnall, Shane DFLgranted 2017-08-11cancelled 2018-11-09
Successor callsigns
Callsigns held now by people who previously held N4PLR.
- Black, Gregory DFLgranted 2016-10-12
All historical holders
Every license row we've seen with the callsign N4PLR, oldest first.
- Black, Gregory D FL2007-01-04 → cancelled 2016-10-12
- Yarnall, Shane D FL2018-11-09 active